<gh_stars>10-100
const googlemaps = {
	provider_name: "maps.google.com",
	endpoints: [{
		schemes: [/.*google\.[^/]+\/maps\/place\/.+/],
		builder: function (urlObj, obj) {
			const match = /.*google\.[^/]+\/maps\/place\/([\w+]*)\/.*/.exec(urlObj.href);
			if (!match || match.length != 2) return;
			const place = encodeURIComponent(match[1]);
			obj.type = "embed";
			obj.html = `<iframe src="//maps.google.com/maps?t=m&q=${place}&output=embed"></iframe>`;
		}
	}]
};

const youtube = {
	provider_name: "youtube.com",
	endpoints: [{
		schemes: [
			'https://*.youtube.com/watch\\?*'
		],
		ua: "AdsBot-Google"
	}, {
		schemes: [
			'https://*.youtube.com/v/*',
			'https://*.youtube.com/embed/*',
			'https://youtu.be/*'
		],
		ua: "AdsBot-Google",
		url: 'https://www.youtube.com/oembed', // TODO ?maxwidth=1024&maxheight=1024
		redirect: function (obj) {
			if (obj.pathname == "/watch") return;
			let videoId;
			if (obj.pathname.startsWith("/embed/")) {
				videoId = obj.pathname.split('/').pop();
			} else if (obj.hostname == "youtu.be") {
				videoId = obj.pathname.substring(1);
			}
			if (!videoId) return;
			delete obj.href;
			delete obj.pathname;
			delete obj.search;
			delete obj.query;
			obj.path = "/watch?v=" + encodeURIComponent(videoId);
			obj.hostname = "www.youtube.com";
			return true;
		}
	}]
};

const twitter = {
	provider_name: "twitter.com",
	endpoints: [{
		schemes: [
			'https://twitter.com/*/status/*'
		],
		builder: function (urlObj, obj) {
			const reg = />(?<date>[\w,\s]+)<\/a><\/blockquote>/.exec(obj.html);
			if (reg) {
				const date = new Date(reg.groups.date);
				if (!Number.isNaN(date.getTime())) obj.date = date.toISOString();
			}
		},
		redirect: function (obj) {
			return true;
		}
	}]
};

const instagram = {
	provider_name: "instagram.com",
	endpoints: [{
		schemes: [
			'https://www.instagram.com/*/*/'
		],
		redirect: function (obj) {
			obj.headers["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15";
			return true;
		}
	}]
};

module.exports = [googlemaps, youtube, twitter, instagram];

